Individual Calculations October 2008
 Ziemann, Jaroslaw  Total change: -8.25  Rating chartPersonal card
 Mistrzostwa Gdanska Gdansk POL 2008-07-19
 2121 1987 2.00 7 -0.33 25 -8.25 
  Murdzia, Piotr m2337 POL0.001-0.1125-2.75 
  Golabiewski, Adam 1812 POL1.0010.27256.75 
  Mazalon, Mariusz 2148 POL0.001-0.2925-7.25 
  Piesik, Piotr 2150 POL0.001-0.2825-7.00 
  Krawczyk, Andrzej 2161 POL0.5010.23255.75 
  Kusmierz, Maciej 2147 POL0.5010.21255.25 
  Krupa, Krzysztof 2089 POL0.001-0.3625-9.00 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)


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